I have a Canon EOS Rebel T3. In auto mode it will take photos and the LCD is fine. But in other modes like P, Tv, Av or Manual, half or more of the screen is black.
If I click the photo button again ...

When I push the LCD view display button, if I take pics from the screen--not looking through the viewfinder--it fails to show an image to take the pic. If I switch settings to video it does display ...